January 1, 1972🇺🇸Scientific Study
Hynek publishes the Close Encounters classification
In his book 'The UFO Experience: A Scientific Inquiry', Hynek introduced the Close Encounters classification of the First, Second, and Third Kind and called for open scientific investigation. The classification became the global standard in ufology and later the title of Spielberg's worldwide hit.
Background
In his book 'The UFO Experience: A Scientific Inquiry' Hynek introduces what becomes the enduring classification: Close Encounters of the First Kind (sighting under 150 m), Second Kind (physical traces), Third Kind (beings visible). The book breaks with the debunker stance: Hynek demands open, scientific investigation. The classification becomes the global standard in ufology and later the title of Spielberg's worldwide hit.
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